Fault finding 10
Instructions for installation and servicing aquaPLUS VUI 362-7
37
10.2.1 Procedure
Note:
Always check the operation of the boiler for
central heating first before checking hot water
operation. Do not open a hot water tap unless
instructed to do so by the fault finding guide.
1. If a fault code is showing in the boiler display follow
the fault finding charts referring also to the fault code
and diagnostic mode tables.
2.If the boiler is not functioning correctly and a fault
code is not showing in the boiler display follow the
fault finding charts referring also to the status mode
table.
3.Note: If the boiler display is completely blank
initially check the two fuses (Isolate the electrical
supply before checking the fuses, spare fuses are
located on the inside of the control box rear cover).
To access the various modes press the buttons on the
control panel as follows:
Please note: If no key is pressed for approx.
4 minutes the display will automatically change back
to Normal mode.
Mode
To display the required To return to Normal
mode
mode
Status mode
Press "i" button
Press "i" button
Diagnostic mode Press the "i" and "+"
Press the "i" and "+"
button simultaneously
button simultaneously
Supplied by HeatingSpares247.com
